added callback methods for binary add-ons to get codec id information from XBMC, so the dep on avcodec.h can be removed. only IDs used by pvr.hts and pvr.vdr.vnsi have been included

1 files changed, 124 insertions, 0 deletions

diff --git a/addons/library.xbmc.codec/libXBMC_codec.h b/addons/library.xbmc.codec/libXBMC_codec.h
new file mode 100644
index 0000000000..43159b2769
--- /dev/null
+++ b/addons/library.xbmc.codec/libXBMC_codec.h
@@ -0,0 +1,124 @@
+#pragma once
+/*
+ *      Copyright (C) 2005-2013 Team XBMC
+ *      http://www.xbmc.org
+ *
+ *  This Program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This Program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with XBMC; see the file COPYING.  If not, see
+ *  <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <string>
+#include <vector>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "xbmc_codec_types.h"
+#include "../library.xbmc.addon/libXBMC_addon.h"
+
+#ifdef _WIN32
+#define CODEC_HELPER_DLL "\\library.xbmc.codec\\libXBMC_codec" ADDON_HELPER_EXT
+#else
+#define CODEC_HELPER_DLL_NAME "libXBMC_codec-" ADDON_HELPER_ARCH ADDON_HELPER_EXT
+#define CODEC_HELPER_DLL "/library.xbmc.codec/" CODEC_HELPER_DLL_NAME
+#endif
+
+class CHelper_libXBMC_codec
+{
+public:
+  CHelper_libXBMC_codec(void)
+  {
+    m_libXBMC_codec = NULL;
+    m_Handle        = NULL;
+  }
+
+  ~CHelper_libXBMC_codec(void)
+  {
+    if (m_libXBMC_codec)
+    {
+      CODEC_unregister_me(m_Handle, m_Callbacks);
+      dlclose(m_libXBMC_codec);
+    }
+  }
+
+  /*!
+   * @brief Resolve all callback methods
+   * @param handle Pointer to the add-on
+   * @return True when all methods were resolved, false otherwise.
+   */
+  bool RegisterMe(void* handle)
+  {
+    m_Handle = handle;
+
+    std::string libBasePath;
+    libBasePath  = ((cb_array*)m_Handle)->libPath;
+    libBasePath += CODEC_HELPER_DLL;
+
+#if defined(ANDROID)
+      struct stat st;
+      if(stat(libBasePath.c_str(),&st) != 0)
+      {
+        std::string tempbin = getenv("XBMC_ANDROID_LIBS");
+        libBasePath = tempbin + "/" + CODEC_HELPER_DLL_NAME;
+      }
+#endif
+
+    m_libXBMC_codec = dlopen(libBasePath.c_str(), RTLD_LAZY);
+    if (m_libXBMC_codec == NULL)
+    {
+      fprintf(stderr, "Unable to load %s\n", dlerror());
+      return false;
+    }
+
+    CODEC_register_me = (void* (*)(void *HANDLE))
+      dlsym(m_libXBMC_codec, "CODEC_register_me");
+    if (CODEC_register_me == NULL) { fprintf(stderr, "Unable to assign function %s\n", dlerror()); return false; }
+
+    CODEC_unregister_me = (void (*)(void* HANDLE, void* CB))
+      dlsym(m_libXBMC_codec, "CODEC_unregister_me");
+    if (CODEC_unregister_me == NULL) { fprintf(stderr, "Unable to assign function %s\n", dlerror()); return false; }
+
+    CODEC_get_codec_by_name = (xbmc_codec_t (*)(void* HANDLE, void* CB, const char* strCodecName))
+        dlsym(m_libXBMC_codec, "CODEC_get_codec_by_name");
+    if (CODEC_get_codec_by_name == NULL) { fprintf(stderr, "Unable to assign function %s\n", dlerror()); return false; }
+
+    m_Callbacks = CODEC_register_me(m_Handle);
+    return m_Callbacks != NULL;
+  }
+
+  /*!
+   * @brief Get the codec id used by XBMC
+   * @param strCodecName The name of the codec
+   * @return The codec_id, or a codec_id with 0 values when not supported
+   */
+  xbmc_codec_t GetCodecByName(const char* strCodecName)
+  {
+    return CODEC_get_codec_by_name(m_Handle, m_Callbacks, strCodecName);
+  }
+
+protected:
+  void* (*CODEC_register_me)(void*);
+  void (*CODEC_unregister_me)(void*, void*);
+  xbmc_codec_t (*CODEC_get_codec_by_name)(void *HANDLE, void* CB, const char* strCodecName);
+
+private:
+  void* m_libXBMC_codec;
+  void* m_Handle;
+  void* m_Callbacks;
+  struct cb_array
+  {
+    const char* libPath;
+  };
+};
+